docstr: rf_layer_stmt   :  rf_affine
  |     rf_mul_add
  |     BatchMatmul
  |     Reshape
  |     Add2
  |     CommonFunc
docstr_tok: ["rf_layer_stmt",":","rf_affine","|","rf_mul_add","|","BatchMatmul","|","Reshape","|","Add2","|","CommonFunc"]
code: def p_rf_layer_stmt(self, p):
      """rf_layer_stmt   :  rf_affine
      |     rf_mul_add
      |     BatchMatmul
      |     Reshape
      |     Add2
      |     CommonFunc
  
      """
      self.graph.accept_layer(p[1])
  
file_path: nnabla/python/src/nnabla/utils/converter/nnabla/opt_parser.py
imports: from ply import yacc
  from .opt_graph import Token
label_desc: Use image node_id 5 for calling the OptimizerParser obj's underlying member method code with example usage: obj.p_rf_layer_stmt(p) without return types